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4 years ago

I don’t understand this either

Mathematics

2 answers:

trasher [3.6K]4 years ago

7 0

It is a part of slope form ( intercept

PIT_PIT [208]4 years ago

6 0

This is a not possible problem. Unless they want you to isolate y. Then it would be:
ax+b=c/y
ax+bc=y

Or just put undefined.

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A movie theater decreased the size of its popcorn bags by 20%. If the old bags held 15 cups of popcorn, how much do the new bags

vovikov84 [41]

Answer:

Your answer will be  $12$  cups of popcorn.

Step-by-step explanation:

To find out how much the new bags hold, you need to find out the discount.

$\frac{20}{100 } = .2$

$15 * .2 = 3$

We know that the discount is $3$ .

To figure out how much the new bags hold, subtract by the old bags.

$15 - 3 = 12$

The new bags hold 12 cups of popcorn. 

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3 years ago

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nexus9112 [7]

Hello

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3 years ago

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skelet666 [1.2K]

If you have instagram dm me and ill show you how to make the graph my instagram is ____ella.grace____ 4 underscores btw

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3 years ago

What is -6474-46474 don’t know

Irina-Kira [14]

HEY!!

Answer: -52948

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4 years ago

In a study of automobile collision insurance costs, a random sample of n = 35 repair costs of front-end damage caused by hitting

laiz [17]

Answer: The maximum error = $105.76.

Step-by-step explanation:

Formula to find the maximum error:

$E= z^*\dfrac{\sigma}{\sqrt{n}}$

, where n= sample size.

$\sigma$ = Population standard deviation

z*= Critical value(two-tailed).

As per given , we have

$\overline{x}=1438$

n= 35

$\sigma=269$

For 98% confidence , the significance level = $1-0.98=0.02$

By z-table , the critical value (two -tailed) = $z^* = z_{\alpha/2}=z_{0.01}=2.326$

Now , the maximum error = $E= (2.326)\dfrac{269}{\sqrt{35}}$

$E= (2.326)\dfrac{269}{5.9160797831}$

$E= (2.326)\times45.4692989044=105.761589252\pprox105.76$

Hence, With 98% confidence level , the maximum error = $105.76.

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3 years ago